Hydroniumjarosite Majzlan J, Stevens R, Boerio-Goates J, Woodfield B F, Navrotsky A, Burns P C, Crawford M K, Amos T G Physics and Chemistry of Minerals 31 (2004) 518-531 Thermodynamic properties, low-temperature heat-capacity anomalies, and single-crystal X-ray refinement of hydronium jarosite, (H3O)Fe3(SO4)2(OH)6 Note: Rietveld refinement of synchrotron X-ray diffraction pattern Locality: synthetic _database_code_amcsd 0008878 7.3499 7.3499 17.0104 90 90 120 R-3m atom x y z S 0 0 .3085 Fe 1/6 -1/6 -1/6 O1 0 0 .3933 O2 .2216 -.2216 -.0566 O3 .1251 -.1251 .1360 O4 0 0 0